Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/42#discussion_r10642674
--- Diff: core/src/main/scala/org/apache/spark/ui/SparkUI.scala ---
@@ -30,32 +30,65 @@ import org.apache.spark.ui.jobs.JobProgressUI
import org.apache.spark.ui.storage.BlockManagerUI
import org.apache.spark.util.Utils
-/** Top level user interface for Spark */
-private[spark] class SparkUI(sc: SparkContext) extends Logging {
- val host =
Option(System.getenv("SPARK_PUBLIC_DNS")).getOrElse(Utils.localHostName())
- val port = sc.conf.get("spark.ui.port", SparkUI.DEFAULT_PORT).toInt
- var boundPort: Option[Int] = None
- var server: Option[Server] = None
+/** Top level user interface for Spark. */
+private[spark] class SparkUI(
+ val sc: SparkContext,
+ conf: SparkConf,
+ val listenerBus: SparkListenerBus,
+ val appName: String,
+ val basePath: String = "")
+ extends Logging {
+
+ def this(sc: SparkContext) = this(sc, sc.conf, sc.listenerBus,
sc.appName)
+ def this(conf: SparkConf, listenerBus: SparkListenerBus, appName:
String, basePath: String) =
+ this(null, conf, listenerBus, appName, basePath)
+
+ // If SparkContext is not provided, assume the associated application is
not live
+ val live = sc != null
+
+ val securityManager = if (live) sc.env.securityManager else new
SecurityManager(conf)
+
+ private val host =
Option(System.getenv("SPARK_PUBLIC_DNS")).getOrElse(Utils.localHostName())
+ private val port = conf.get("spark.ui.port", SparkUI.DEFAULT_PORT).toInt
+ private var boundPort: Option[Int] = None
+ private var server: Option[Server] = None
+
+ private val storage = new BlockManagerUI(this)
+ private val jobs = new JobProgressUI(this)
+ private val env = new EnvironmentUI(this)
+ private val exec = new ExecutorsUI(this)
- val handlers = Seq[ServletContextHandler] (
- createStaticHandler(SparkUI.STATIC_RESOURCE_DIR, "/static/*"),
- createRedirectHandler("/stages", "/")
- )
- val storage = new BlockManagerUI(sc)
- val jobs = new JobProgressUI(sc)
- val env = new EnvironmentUI(sc)
- val exec = new ExecutorsUI(sc)
+ val handlers: Seq[ServletContextHandler] = {
+ val metricsServletHandlers = if (live) {
+ SparkEnv.get.metricsSystem.getServletHandlers
+ } else {
+ Array[ServletContextHandler]()
+ }
+ storage.getHandlers ++
+ jobs.getHandlers ++
+ env.getHandlers ++
+ exec.getHandlers ++
+ metricsServletHandlers ++
+ Seq[ServletContextHandler] (
+ createStaticHandler(SparkUI.STATIC_RESOURCE_DIR, "/static/*"),
+ createRedirectHandler("/", "/stages", basePath)
+ )
+ }
+
+ // Maintain executor storage status through Spark events
+ val storageStatusListener = new StorageStatusListener
- // Add MetricsServlet handlers by default
- val metricsServletHandlers =
SparkEnv.get.metricsSystem.getServletHandlers
+ // Only log events if this SparkUI is live
+ private var eventLogger: Option[EventLoggingListener] = None
--- End diff --
It seems a bit more intuitive for me to have this event logger tracked
inside of `SparkContext` rather than the UI
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